[gradsusr] time format

Yaqiang Wang yaqiang.wang at gmail.com
Wed Jul 27 05:32:44 EDT 2011


The information could be found at
http://www.iges.org/grads/gadoc/gradcomdsdfopen.html.

On Wed, Jul 27, 2011 at 5:14 PM, Simon Kiertscher
<simon.kiertscher at gmx.de> wrote:
> Dear Yaqiang,
>
> thank you for the information, where can i find the GrADS conventions to
> know which  format is ok,  and which not?
> I'm very new to GrADS, so can you give me a source where i can find a
> example of a control file? I have no idea how to do that.
>
> Best Regards,
> Simon
>>   time:units = "day as %Y%m%d.%f"   It does not follow GOARDS
>> conventions which is used in 'sdfopen' function. So you need to write
>> a control file to tell GrADS the dimensions and variables in the data
>> set. You have to use 'xdfopen' or 'open' commands to open the data
>> file.
>>
>> On Wed, Jul 27, 2011 at 4:27 PM, Simon Kiertscher
>> <simon.kiertscher at gmx.de>  wrote:
>>> Dear all,
>>>
>>> i have a problem with opening a file.
>>> I use (GrADS) Version 2.0.a9 on Suse
>>>
>>> ga->  sdfopen GKSS-2.nc
>>> Scanning self-describing file:  GKSS-2.nc
>>> gadsdf: Error parsing time_units for SDF file.
>>>
>>> the format is as follows:
>>> (from ncdump)
>>>
>>>          double time(time) ;
>>>                  time:units = "day as %Y%m%d.%f" ;
>>>                  time:calendar = "proleptic_gregorian" ;
>>>                  time:axis = "t" ;
>>>                  time:long_name = "time" ;
>>>
>>> So i think this is valid format? Can anyone tell my what is wrong?
>>>
>>> Best Regards,
>>> Simon
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>>> gradsusr at gradsusr.org
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>>>
>>
>>
>
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-- 
*************************************************
Dr. Yaqiang Wang
Chinese Academy of Meteorological Sciences (CAMS)
46, Zhong-Guan-Cun South Avenue
Beijing, 100081
China

yaqiang.wang at gmail.com
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